Revelation 9:18
A third of mankind was killed by these three plagues—by the fire and the smoke and the brimstone that came from the mouths of the horses.
Revelation 9:15
So the four angels, who had been prepared for the [appointed] hour and day and month and year, were released to kill a third of mankind.
Revelation 9:17
And this is how I saw the horses and their riders in my vision: the riders had breastplates [the color] of fire and of hyacinth (sapphire blue) and of brimstone (yellow); and the heads of the horses looked like the heads of lions; and from out of their mouths came fire and smoke and brimstone (burning sulfur).
Treasury of Scripture Knowledge
Summary
By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths.
The third
Bible References
The third
Revelation 9:15
So the four angels, who had been prepared for the [appointed] hour and day and month and year, were released to kill a third of mankind.